Carrier K Series Installation Instructions Manual

Carrier K Series Installation Instructions Manual Manual pdf 1 page image

PGR5 Series K: Installation InstructionsManufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.1Installation InstructionsIMPORTANT: Effective January 1, 2015, all split system and packagedair conditioners must be installed pursuant to applicable regionalefficiency standards issued by the Department of Energy.NOTE: Read the entire instruction manual before starting theinstallation.NOTE: Installer: Make sure the Owner’s Manual and ServiceInstructions are left with the unit after installation.Table of ContentsTable of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Safety Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Receiving and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Identify Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Inspect Shipment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Roof Curb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Slab Mount . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Rigging/Lifting of Unit (See Fig. 6) . . . . . . . . . . . . . . . . . . . . . . 4Configuring Units for Downflow (Vertical) Discharge . . . . . . 11High-Voltage Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Special Procedures for 208-v Operation . . . . . . . . . . . . . . . . . . 13Control Voltage Connections . . . . . . . . . . . . . . . . . . . . . . . . . . 13Standard Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Heat Anticipator Setting (Electro-Mechanical Thermostats only)14Transformer Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14Pre-Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15Check Heating Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15Check Gas Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16Adjust Gas Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16Check Burner Flame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18Normal Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25Airflow and Temperature Rise . . . . . . . . . . . . . . . . . . . . . . . . . 25Heating Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . . . 25Limit Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25Rollout Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25Checking Cooling Control Operation . . . . . . . . . . . . . . . . . . . . 25Checking and Adjusting Refrigerant Charge . . . . . . . . . . . . . . 26Indoor Airflow and Airflow Adjustments . . . . . . . . . . . . . . . . 26Cooling Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . . . 27Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54Indoor Blower and Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54Induced Draft (combustion air) Blower Assembly. . . . . . . . . . 54Flue Gas Passageways . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55Limit Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55Burner Ignition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55Main Burners . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55Outdoor Coil, Indoor Coil, and Condensate Drain Pan . . . . . . 55Outdoor Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56Electrical Controls and Wiring . . . . . . . . . . . . . . . . . . . . . . . . . 56Refrigerant Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57Gas Input. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57Evaporator Airflow. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57R-410A Items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57Metering Device (Thermostatic Expansion Valve ) . . . . . . . . . 57Pressure Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57Loss of Charge Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57High-Pressure Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57Copeland Scroll Compressor R-410A Refrigerant). . . . . . . . . 57Refrigerant System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58Start-up Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58A09033Fig. 1 – Unit PGR5(Low NOx Model Available)Safety ConsiderationsImproper installation, adjustment, alteration, service maintenance, or usecan cause explosion, fire, electrical shock, or other conditions whichmay cause death, personal injury, or property damage. Consult aqualified installer, service agency, or your distributor or branch forinformation or assistance. The qualified installer or agency must usefactory-authorized kits or accessories when modifying this product.Refer to the individual instructions packaged with the kits or accessorieswhen installing.Follow all safety codes. Wear safety glasses, protective clothing, andwork gloves. Have a fire extinguisher available. Read these instructionsthoroughly and follow all warnings or cautions included in literature andattached to the unit. consult local building codes, the current editions ofthe National Fuel Gas Code (NFGC) NFPA 54/ANSI Z223.1, and theNational Electrical Code (NEC) NFPA 70.In Canada refer to the current editions of the National Standards ofCanada CAN/CSA-B149.1 and .2 Natural Gas and Propane Installationcodes, and Canadian Electrical Code CSA C22.1Recognize safety information. This is the safety-alert symbol . Whenyou see this symbol on the unit and in instructions or manuals, be alert tothe potential for personal injury. Understand these signal words:PGR5 Series K15.2+ SEER2 2-Stage Packaged Air Conditioner and Gas Furnace Systemwith R-410A RefrigerantSingle and Three Phase2-5 Nominal Tons (Sizes 24-60)